GCTTunisian Chemical Group
EIA of a macrophyte wastewater treatment plant for the GCT and TIFERT plants
Baseline, air dispersion modelling, impact matrix, ESMP and stakeholder consultation, in ANPE format.
Proven Track Record in Saudi Arabia and Tunisia
AHEC has delivered over 500 environmental consulting projects for leading organizations in energy, industry, infrastructure and mega-developments across Saudi Arabia, Tunisia and the wider region.
500+
Projects Successfully Delivered
50+
Major Clients Served
100%
Regulatory Approval Success Rate
15+
Years of Industry Experience
Our Prestigious Client Portfolio
Trusted by Leading Organizations in Saudi Arabia and Tunisia
Energy & Oil & Gas Sector
- Saudi Aramco - Multiple ESIA and EIA projects across facilities
- Al-Khafji Joint Operations (KJO) - Environmental permitting and assessments
- Saudi Electricity Company (SEC) - Transmission line EIA studies
- Ministry of Energy - Renewable energy projects (solar and wind farms)
- ACWA Power - Solar power plant environmental audits
Petrochemical & Industrial
- SABIC - Multiple petrochemical facility assessments (Petrokemya, Sharq)
- Air Products - Industrial gas hub environmental studies
- Jazan Gas Projects Company - Environmental permitting
- TASNEE - Ethylene cracker plant compliance
- Tronox Saudi Arabia - Environmental auditing and permitting
- Schlumberger Middle East - Industrial facility assessments
Mega-Development Projects
- NEOM - Multiple ESIA studies for construction villages and renewable energy
- Qiddiya - Comprehensive environmental assessments for entertainment city
- Royal Commission for Jubail and Yanbu (RCJY) - Multiple industrial projects
- Diriyah Gate Development Authority (DGDA) - Heritage site environmental studies
Water & Utilities
- Saline Water Conversion Corporation (SWCC) - 15+ desalination plant assessments
- MARAFIQ - Yanbu II desalination plant environmental studies
- Riyadh Water Production Company - RO desalination EIA
Infrastructure & Transportation
- Saudi Railways (SAR) - Eastern and Northern train network EIA
- Royal Commission of Riyadh City - Sports boulevards environmental studies
- King Khalid International Airport - Desalination plant EIA
Tunisia: Industry, Energy & Public Agencies
- Tunisian Chemical Group (GCT) - Wastewater treatment plant EIA, Skhira
- SITEP - EIA framework contract, El Borma oilfield
- STEG - Environmental and social scoping, 130 km transmission line
- UNOPS - Supervision of mercury waste disposal
- OMMP and APIP - Port hydrodynamics and dredging EIA
Other Major Clients
- Alfanar Company - Qiddiya utilities and infrastructure
- L&T (Larsen & Toubro) - Offshore platform environmental studies
- Worley - Multiple renewable energy projects
- TYPSA - Solar and wind farm environmental assessments
- Dammam Shipyard - Maritime facility environmental permitting
Tunisia
Recent Projects in Tunisia
Environmental studies delivered by our Tunis office for industrial, energy and public clients.
SITEPItalian-Tunisian Oil Exploitation Company
EIA framework contract for oil exploitation projects
Drilling, side-track, produced-water injection and soil remediation EIAs, through to ANPE approval.
UNOPSUnited Nations Office for Project Services
Supervision of the environmentally sound disposal of mercury-containing wastes
Remediation plan review, Basel Convention permits, containment, transport and disposal verification.
STEGTunisian Company of Electricity and Gas
Environmental and social scoping study for a 130 km transmission line
Habitat mapping, flora and fauna inventories and critical habitat assessment to World Bank ESS6 and IFC PS6.
OMMPOffice of the Merchant Marine and Ports
Hydrodynamic study of the approaches to Menzel Bourguiba port
2D hydrodynamic model with tide and wind scenarios to design the sediment deposit area.
APIPPorts and Fishing Facilities Agency
EIA for the maintenance dredging of Bekalta fishing port
Bathymetric survey, sediment sampling and analysis, disposal site selection and ESMP.
AFTTourism Land Agency
EIA of the UA1 tourist subdivision, Chaffar tourist zone
Alternatives analysis, coastal erosion and sea-level rise, stormwater review and ESMP.
Dattes d’OrDate-processing company
Technical decontamination study of a date-processing plant
Eco-balance, pollution diagnosis, regulatory compliance check and costed action plan.
Project Statistics by Category
Environmental Studies by NCEC Category
10+
Category 1 Projects
Environmental Management Plans for minor modifications
30+
Category 2 Projects
Environmental assessments for medium-impact developments
450+
Category 3 Projects
Comprehensive ESIA for major industrial and infrastructure projects
Our Technical Expertise
Specialized Services Demonstrated
Marine Environmental Studies
- DROP camera benthic surveys
- Niskin bottle seawater sampling
- Van Veen grab sediment sampling
- ADCP current and tide measurements
- Marine flora and fauna identification and classification
- Coral reef assessments
- Brine discharge impact studies
Environmental Impact Assessment
- Category 1, 2, and 3 EIA studies per NCEC regulations
- ESIA per IFC Performance Standards
- Strategic Environmental Assessment (SEA)
- Cumulative impact assessments
Environmental Modelling
- Air dispersion modelling (AERMOD, CALPUFF)
- Noise propagation modelling (SoundPLAN)
- Hydrodynamic modelling (DELFT3D, MIKE 21)
- Oil spill trajectory modelling
- Hydrology studies (HEC-RAS, ArcGIS)
Environmental Monitoring
- 24-hour ambient air quality monitoring
- Continuous noise monitoring
- Soil and groundwater sampling
- Industrial emissions testing
- Indoor air quality assessments
Terrestrial Ecology
- Flora and fauna surveys
- Avian migration studies (wind farm assessments)
- Habitat characterization
- Protected species assessments
- Biodiversity checklists
Regulatory Compliance
- NCEC permitting (all categories)
- Royal Commission permitting (RCJY)
- Permit Application Package (PAP) development
- Best Available Technology (BAT) assessments
- Environmental Emergency Response Plans (EERP)
- Environmental Auditing
Projects by Client Type
Experience Across Every Sector
Geographic Coverage
Projects Delivered Across Saudi Arabia and Tunisia
250+
Eastern Province
Dammam, Jubail, Khobar, Ras Al Khair, Al-Khafji
120+
Central Region
Riyadh, Qiddiya, Diriyah, Sakaka, Al-Hadhen
80+
Western Province
Yanbu, Rabigh, NEOM, Tabuk
30+
Southern Region
Jazan, Najran, Bisha
20+
Northern Region
Al-Qurayyat, Northern Border Region
8+
Tunisia
Sfax, Bizerte, Monastir, Kasserine, Kebili, El Borma
Partner With a Proven Environmental Consulting Leader
Our portfolio covers some of the most complex projects in Saudi Arabia and Tunisia, for clients such as Saudi Aramco, SABIC, NEOM, the Tunisian Chemical Group, SITEP and UNOPS.